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HART MTL4541 MTL Safety Barrier Repeater Power Supply

Categories MTL Safety Barrier
Brand Name: MTL
Model Number: MTL4541
Certification: CE
Place of Origin: USA
MOQ: 1 piece
Price: negotiable
Payment Terms: T/T
Supply Ability: 100pcs per month
Delivery Time: on request
Packaging Details: standard carton packing
Number of channels: one
Location of transmitte: Zone 0, IIC, T4–6 hazardous area if suitably certified Div. 1, Group A hazardous location
Safe-area circuit ripple: < 50µA peak-to-peak
Temperature drift: < 0.8µA/°C
Communications supported: HART (terminals 1 & 2 only)
LED indicator: Green: power indication
Company Info.
SC Automation Limited
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HART MTL4541 MTL Safety Barrier Repeater Power Supply

MTL4541 REPEATER POWER SUPPLY

The MTLx541 provides a fully-floating dc supply for energising a conventional 2- or 3-wire 4/20mA transmitter, which is located in a hazardous area, and repeats the current in another floating circuit to drive a safe-area load. For HART 2-wire transmitters, the unit allows bi-directional communications signals superimposed on the 4/20mA loop current. Alternatively, the MTLx541S acts as a current sink for a safe-area connection rather than driving a current into the load. Separately powered current sources, such as 4-wire transmitters, can be connected but will not support HART communication.


SPECIFICATION

Number of channels

One

Location of transmitter

Zone 0, IIC, T4–6 hazardous area if suitably certified

Div. 1, Group A hazardous location

Safe-area output

Signal range: 4 to 20mA

Under/over-range: 0 to 24mA

Safe-area load resistance (MTLx541)

@ 24mA: 0 to 360Ω

@ 20mA: 0 to 450Ω

Safe-area load (MTLx541S)

Current sink: 600Ω max.

Maximum voltage source: 24V dc

Safe-area circuit output resistance: > 1MΩ

Safe-area circuit ripple

< 50µA peak-to-peak

Hazardous-area input

Signal range: 0 to 24mA (including over-range)

Transmitter voltage: 16.5V at 20mA

Transfer accuracy at 20°C

Better than 15µA

Temperature drift

< 0.8µA/°C

Response time

Settles to within 10% of final value within 50µs

Communications supported

HART (terminals 1 & 2 only)

LED indicator

Green: power indication

Maximum current consumption (with 20mA signal)

51mA at 24V

Power dissipation within unit (with 20mA signal)

MTLx541 0.7W @ 24V dc

MTLx541S 1.0W @ 24V dc

Safety description

Terminals 2 to 1 and 3:

Uo =28V Io =93mA Po =651mW Um = 253V rms or dc Terminals 1 to 3:

Simple apparatus ≤1.5V, ≤0.1A and ≤25mW; can be connected without further certification into any IS loop with an open-circuit voltage <28V


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